<template>
   <div>
       <div class="banner thumbnail">
            <img :src="courseImg" alt="XX课程">
       </div>
   </div>
</template>
<script>
import { mapState } from "vuex";
export default {
  name: "Banner",
  computed: {
    ...mapState(["courseImg"])
  },
};
</script>
<style>
</style>

